Although the MICRO SD card is becoming more and more popular in small cameras and drones, the standard SD card is still an important part of the SLR camera and the non-reflex camera. The SD card is affordable and compact, which can increase your storage space. External advantage. So, how can I choose a suitable SD card? What specifications should you focus on to ensure that you best meet your needs? The following are things to be aware of. A good SD card is very important, stable quality, not easy to damage is the most important requirement of SD card. Because in case of damage, you need to consider how to recover deleted pictures from SD card. SDHC and SDXC The two main types are SDHC and SDXC. SDHC stands for large-capacity SD card, and SDXC stands for extended capacity SD card. The only difference between them is the amount of storage data they support. SDHC cards range from 2 to 32 GB, but SDXC cards range from 32 to 2048 GB. Class and UHS When it comes to the speed of SD cards, you will encounter several key terms: Speed Class, UHS (Ultra High Speed) SpeedClass, Video Speed Class i and Rated Speed, although in some scenarios it is relevant. , but they have their own standards, some have higher priority, even on the same SD card can see multiple terms. The speed grade is indicated by C and has a number in the symbol. According to the latest standards, these categories are based on the following minimum speeds: In 2009, the SD Association introduced a new category called UHS Speed Class, which replaced the standard categories mentioned above: Since that time, the SD Association has introduced another category: Video Speed Class, also known as the V class. Designed for high-resolution video, the focus is on 360 recording, HDR capture, virtual reality content, and the increasing resolution in high-end cameras. Now, although the above categories have been standardized by the SD Association, each manufacturer still prints its own rated speed on the SD card. These rated speeds are almost always in MB/s, which is usually the theoretical maximum transmission speed of the SD card. However, in order to get this speed, your device must provide support.
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